{"id":"https://openalex.org/W2975650512","doi":"https://doi.org/10.1109/access.2019.2943605","title":"Wide Stopband Bandpass Filter Implemented by Stepped Impedance Resonator and Multiple In-Resonator Open Stubs","display_name":"Wide Stopband Bandpass Filter Implemented by Stepped Impedance Resonator and Multiple In-Resonator Open Stubs","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2975650512","doi":"https://doi.org/10.1109/access.2019.2943605","mag":"2975650512"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2943605","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2943605","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08848370.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08848370.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087101031","display_name":"Peng Chu","orcid":"https://orcid.org/0000-0001-7557-4146"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Peng Chu","raw_affiliation_strings":["College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-7557-4146","affiliations":[{"raw_affiliation_string":"College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043438563","display_name":"Lei Guo","orcid":"https://orcid.org/0000-0003-2802-498X"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Guo","raw_affiliation_strings":["School of Information and Communication Engineering, Dalian University of Technology, Dalian, China"],"raw_orcid":"https://orcid.org/0000-0003-2802-498X","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Dalian University of Technology, Dalian, China","institution_ids":["https://openalex.org/I27357992"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100363553","display_name":"Long Zhang","orcid":"https://orcid.org/0000-0003-0646-6699"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Long Zhang","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066267152","display_name":"Ke Wu","orcid":"https://orcid.org/0000-0001-7442-1017"},"institutions":[{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ke Wu","raw_affiliation_strings":["Poly-Grames Research Center, Polytechnique Montr\u00e9al, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Poly-Grames Research Center, Polytechnique Montr\u00e9al, Montreal, QC, Canada","institution_ids":["https://openalex.org/I45683168"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5087101031"],"corresponding_institution_ids":["https://openalex.org/I41198531"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.9686,"has_fulltext":true,"cited_by_count":16,"citation_normalized_percentile":{"value":0.76698876,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":null,"first_page":"140631","last_page":"140636"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9886000156402588,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9868999719619751,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/stopband","display_name":"Stopband","score":0.9862251281738281},{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.7600374221801758},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.7351212501525879},{"id":"https://openalex.org/keywords/transition-band","display_name":"Transition band","score":0.7274930477142334},{"id":"https://openalex.org/keywords/elliptic-filter","display_name":"Elliptic filter","score":0.7078219652175903},{"id":"https://openalex.org/keywords/resonator","display_name":"Resonator","score":0.7044802904129028},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45390406250953674},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4384942650794983},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.42075857520103455},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.41038447618484497},{"id":"https://openalex.org/keywords/prototype-filter","display_name":"Prototype filter","score":0.3722798824310303},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.37012404203414917},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3412904441356659},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.33735617995262146},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.26116031408309937},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23964029550552368},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1772322952747345},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.05332440137863159}],"concepts":[{"id":"https://openalex.org/C46271340","wikidata":"https://www.wikidata.org/wiki/Q1971063","display_name":"Stopband","level":3,"score":0.9862251281738281},{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.7600374221801758},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.7351212501525879},{"id":"https://openalex.org/C34239149","wikidata":"https://www.wikidata.org/wiki/Q7834407","display_name":"Transition band","level":5,"score":0.7274930477142334},{"id":"https://openalex.org/C144378017","wikidata":"https://www.wikidata.org/wiki/Q1051541","display_name":"Elliptic filter","level":5,"score":0.7078219652175903},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.7044802904129028},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45390406250953674},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4384942650794983},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.42075857520103455},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.41038447618484497},{"id":"https://openalex.org/C175742284","wikidata":"https://www.wikidata.org/wiki/Q1415537","display_name":"Prototype filter","level":4,"score":0.3722798824310303},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.37012404203414917},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3412904441356659},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.33735617995262146},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.26116031408309937},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23964029550552368},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1772322952747345},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.05332440137863159},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2019.2943605","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2943605","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08848370.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:publications.polymtl.ca:4824","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"},{"id":"pmh:oai:doaj.org/article:86d987396abe4573981d59c641cb93fe","is_oa":true,"landing_page_url":"https://doaj.org/article/86d987396abe4573981d59c641cb93fe","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 140631-140636 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2943605","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2943605","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08848370.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G207410106","display_name":null,"funder_award_id":"61601242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6900809781","display_name":null,"funder_award_id":"61601246","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2975650512.pdf","grobid_xml":"https://content.openalex.org/works/W2975650512.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1968013028","https://openalex.org/W1997992498","https://openalex.org/W2050985270","https://openalex.org/W2051570937","https://openalex.org/W2083905960","https://openalex.org/W2098795955","https://openalex.org/W2101657745","https://openalex.org/W2103776978","https://openalex.org/W2105321747","https://openalex.org/W2107883851","https://openalex.org/W2108731305","https://openalex.org/W2112755758","https://openalex.org/W2115140433","https://openalex.org/W2116688567","https://openalex.org/W2118344698","https://openalex.org/W2120962598","https://openalex.org/W2122468050","https://openalex.org/W2128309829","https://openalex.org/W2135789600","https://openalex.org/W2135998081","https://openalex.org/W2139191562","https://openalex.org/W2141830878","https://openalex.org/W2142039140","https://openalex.org/W2142980010","https://openalex.org/W2146003858","https://openalex.org/W2149689729","https://openalex.org/W2151374974","https://openalex.org/W2161201277","https://openalex.org/W2162639728","https://openalex.org/W2167407527","https://openalex.org/W2568423121","https://openalex.org/W2625656987","https://openalex.org/W2946429725","https://openalex.org/W4299689903"],"related_works":["https://openalex.org/W2393249733","https://openalex.org/W4313521831","https://openalex.org/W2253449715","https://openalex.org/W3001194121","https://openalex.org/W2144184788","https://openalex.org/W2121303062","https://openalex.org/W2139234680","https://openalex.org/W1978615574","https://openalex.org/W1943059448","https://openalex.org/W2114345346"],"abstract_inverted_index":{"Stepped":[0],"impedance":[1],"resonator":[2],"(SIR)":[3],"has":[4],"been":[5],"widely":[6],"used":[7],"for":[8],"applications":[9],"in":[10,25,54,134],"wide":[11,19,125,203],"stopband":[12,20,27,40,126,130,153,162,206],"bandpass":[13,21,199],"filters.":[14],"However,":[15],"the":[16,39,44,61,78,89,96,105,108,117,142,157,160,174,186],"reported":[17],"SIR":[18,56,83],"filters":[22],"are":[23,52,92],"limited":[24],"either":[26],"performance":[28,41],"or":[29],"design":[30,45,118,197],"complexity.":[31,119],"Here":[32],"we":[33],"propose":[34],"an":[35,151],"approach":[36],"to":[37,59,100,166,196],"improve":[38],"and":[42,70,98,204],"reduce":[43],"complexity":[46],"simultaneously.":[47],"Two":[48],"in-resonator":[49],"open":[50],"stubs":[51],"adopted":[53],"a":[55,82,87,121,135,198,202],"(with":[57],"tap-feeding)":[58],"stagger":[60],"frequencies":[62],"of":[63,176],"higher-order":[64],"modes":[65],"(compared":[66],"with":[67,156,173,201],"other":[68],"SIR)":[69],"produce":[71],"two":[72],"adjustable":[73],"transmission":[74,102],"zeros":[75],"without":[76],"affecting":[77],"fundamental":[79,109],"properties.":[80],"For":[81],"filter":[84,200],"employing":[85],"such":[86],"structure,":[88],"spurious":[90],"passbands":[91],"doubly":[93],"deteriorated":[94],"by":[95],"staggering":[97],"up":[99,165],"four":[101],"zeros.":[103],"At":[104],"same":[106],"time,":[107],"passband":[110],"is":[111,148,163,185],"not":[112,123],"affected,":[113],"which":[114],"significantly":[115],"reduces":[116],"As":[120],"result,":[122],"only":[124],"but":[127],"also":[128],"high-suppression":[129,205],"can":[131],"be":[132,193],"obtained":[133],"simple":[136],"design.":[137],"A":[138],"prototype":[139],"based":[140],"on":[141],"substrate":[143],"integrated":[144],"coaxial":[145],"line":[146],"(SICL)":[147],"experimented":[149],"showing":[150],"impressive":[152],"performance.":[154],"Agreeing":[155],"simulation":[158],"well,":[159],"measured":[161],"extended":[164],"about":[167],"12":[168],"f":[169],"<sub":[170,182],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[171,183],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">0</sub>":[172,184],"suppression":[175],"40":[177],"-":[178],"50":[179],"dB":[180],"(f":[181],"center":[187],"frequency).":[188],"The":[189],"proposed":[190],"technique":[191],"could":[192],"very":[194],"useful":[195],"efficiently.":[207]},"counts_by_year":[{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}